Tropical soils throughout the world are under intense pressure in terms of agricultural development. What land use and microbial approaches might be employed to better maintain this valuable resource?

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Tropical soils. Students should
recognize that soils are extraordinarily complex and heterogeneous
environments. Habitats and niches may differ over
submillimeter distances.

Tropical soils tend to be nutrient poor due to erosion and
runoff from heavy rains. Fertilization could help to build
the soils for agriculture. Microbes could be used to increase
nitrogen levels through fixation.